Hearing aid housing



FIG. 1 is perspective view of the hearing aid housing;

FIG. 2 is front view thereof;

FIG. 3 is rear view thereof;

FIG. 4 is first side view thereof;

FIG. 5 is second side view thereof;

FIG. 6 is top view thereof; and,

FIG. 7 is bottom view thereof.

The broken lines in the drawing views are included for the purpose of illustrating portions of the hearing aid housing that form no part of the claimed design. 

The ornamental design for a hearing aid housing, as shown and described. 